单选题:For what purpose does the pilot shut off all the engines? 题目分类:公共英语四级 题目类型:单选题 查看权限:VIP 题目内容: For what purpose does the pilot shut off all the engines? A.To find out exactly what happens. B.To tare fuel. C.To fly more slowly. D.To keepbalance. 参考答案: 答案解析:
What button do you press if you want to listen again what ha What button do you press if you want to listen again what has been played? A.Pau 分类:公共英语四级 题型:单选题 查看答案